20765192

素因数分解:

$2^3\times 7^1\times {\mathrm{523}}^1\times {\mathrm{709}}^1$

素因数の和:1245

約数の個数: 32

約数和(自身を含む): 44644800

約数和(自身を除く): 23879608

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 523, 709, 1046, 1418, 2092, 2836, 3661, 4184, 4963, 5672, 7322, 9926, 14644, 19852, 29288, 39704, 370807, 741614, 1483228, 2595649, 2966456, 5191298, 10382596, 20765192]

約数ペア:

[(1, 20765192), (2, 10382596), (4, 5191298), (7, 2966456), (8, 2595649), (14, 1483228), (28, 741614), (56, 370807), (523, 39704), (709, 29288), (1046, 19852), (1418, 14644), (2092, 9926), (2836, 7322), (3661, 5672), (4184, 4963)]